Vaillant ecoTEC VU 466/4 Installation And Maintenance Instructions Manual

Summary of ecoTEC VU 466/4

  • Page 1

    For the heating engineer installation and maintenance instructions ecotec gas fired wall hung high efficiency boiler vu 466/4 gb.

  • Page 2

    Installation and maintenance instructions ecotec 0020029172_03 2 5.8 electrical connection ................................................ 19 5.8.1 mains connection ...................................................... 19 5.8.2 connecting controllers ............................................ 20...

  • Page 3

    3 installation and maintenance instructions ecotec 0020029172_03 contents notes on the documentation 1 other applicable documents and service auxiliaries • always observe all installation instructions for structural parts and components of the system when installing the ecotec vu. These installation...

  • Page 4

    Installation and maintenance instructions ecotec 0020029172_03 4 2 description of the boiler 2.1 design 1 2 3 4 5 6 7 8 15 14 13 12 11 9 10 fig. 2.1 functional components legend: 1 connection for the air/flue gas duct 2 heat exchanger 3 compact thermal module 4 flow rate sensor 5 fan 6 water pressur...

  • Page 5

    5 installation and maintenance instructions ecotec 0020029172_03 2.2 type summary boiler type designated country (designation in accord- ance with iso 3166) category of permit type of gas nominal heat output range p (kw) ecotec vu gb 466/4-5 h gb (great britain) ie (eire) ii 2h3p natural gas h - g 2...

  • Page 6

    Installation and maintenance instructions ecotec 0020029172_03 6 3.1.3 changes to the surroundings of the boiler changes may not be made to the following equipment: – the heating appliance, – gas, supply air, water and power lines– flue gas removal system, – drain line and expansion relief valve for...

  • Page 7

    7 installation and maintenance instructions ecotec 0020029172_03 the boiler may be installed on a combustible wall, subject to the requirements of the local authorities and building regulations. A compartment used to enclose the boiler must be designed and constructed specifically for this purpose. ...

  • Page 8

    Installation and maintenance instructions ecotec 0020029172_03 8 g n n m m a ii o h h c b l j q q q k p d, e f i fig. 3.3 termination of the air/flue gas duct the flue system shall be so placed or shielded as to prevent ignition or damage to any part of the building. Location minimum dimensions a di...

  • Page 9

    9 installation and maintenance instructions ecotec 0020029172_03 balcony/eaves gutter flue pipe adequately fixed flue pipe must project beyond every overhang fig. 3.4 termination of air/flue gas duct under balcony or eaves 3.4 air supply detailed recommendations for air supply are given in bs 5440: ...

  • Page 10

    Installation and maintenance instructions ecotec 0020029172_03 10 4 assembly a caution! Flush the heating installation thoroughly before installing the boiler to remove foreign substances such as solder and flux residue, leftover sealant or dirt. 4.1 scope of delivery the vaillant ecotec is delivere...

  • Page 11

    11 installation and maintenance instructions ecotec 0020029172_03 4.4 dimension drawing and connection dimensions a Ø 80/125 r 1 100 100 152 152 100 48 190 800 30 4 9 Ø20, r1 g 1 1 / 2 rp 1 rp 1 g 1 1 / 2 r 1 / 2 480 450 7 8 6 5 4 3 9 5, 8 1 2 fig. 4.2 connection dimensions in mm legend: 1 flue gas ...

  • Page 12

    Installation and maintenance instructions ecotec 0020029172_03 12 4.5 required minimum gaps/ installation clearances for the installation/assembly of the boiler as well as for carrying out future maintenance tasks, you need the minimum gaps and installation clearances given below: 250 350 fig. 4.3 r...

  • Page 13

    13 installation and maintenance instructions ecotec 0020029172_03 4.8 removing/attaching the front casing 1 2 fig. 4.5 removing the front casing to dismount the front casing of the boiler, proceed as follows: • unfasten the screw (1) on the bottom of the boiler. • push in both retaining clips (2) on...

  • Page 14

    Installation and maintenance instructions ecotec 0020029172_03 14 model article number connection sizes 1 header width a header depth b total height c insulation dimensions to boiler d to heating circuit e height from floor f maximum volume flow m 3 /hr wh 40 306720 1 1 / 4 " bsp (f) 115 115 500 115...

  • Page 15

    15 installation and maintenance instructions ecotec 0020029172_03 hydraulic schematic drawing: heating circuit connection using low loss header 1 2 3 4 fig. 5.2 heating circuit connection using low loss header legend: 1 boiler with internal pump 2 low loss header 3 external heating pump 4 consumer (...

  • Page 16

    Installation and maintenance instructions ecotec 0020029172_03 16 the low loss header ensures, in conjunction with the boiler circulation pump, that a sufficiently high minimum quantity of water is always circulating through the boiler. 5.3 heating mode and cylinder charging mode h note! Also observ...

  • Page 17

    17 installation and maintenance instructions ecotec 0020029172_03 5.4 gas connection d danger! Danger of injury to persons and/or material damage due to improper installation! The vaillant ecotec boiler may only be installed by a recognised skilled trade company who also assumes the responsibility f...

  • Page 18

    Installation and maintenance instructions ecotec 0020029172_03 18 5.6 expansion relief valve (safety group), heating installation bar 1 2 3 4 fig. 5.10 fitting the expansion relief valve the ecotec is equipped ex factory with connections for a safety group: • expansion relief valve (1) • pressure ga...

  • Page 19

    19 installation and maintenance instructions ecotec 0020029172_03 the connection to the stack should not be made in a way that could cause cross flow into any other branch pipe, or from that branch pipe into the condensate drainage pipework. This can be achieved by maintaining an offset between bran...

  • Page 20

    Installation and maintenance instructions ecotec 0020029172_03 20 2 3 4 1 fig. 5.12 opening back wall of the electronic box 9 8 7 + - 5 4 3 n l bus 9 8 7 + - 5 4 3 n l bus fig. 5.13 example for cable routing • remove the front casing of the boiler (see chapter 4.8) and tilt the electronic box (3) fo...

  • Page 21

    21 installation and maintenance instructions ecotec 0020029172_03 connection terminals 7, 8, 9) the bridge between terminal 3 and 4 must remain inserted. • close the rear cover of the electronic box until it audibly engages. • lift the electronic box up and press the two clips on the left and right ...

  • Page 22

    Installation and maintenance instructions ecotec 0020029172_03 22 5.8.5 wiring diagrams brown black black black black black black black blue blue green/yellow grau red red red green black blue red red green orange violet x 2 x20 low-voltage plug 14 10 4 2 5 9 11 12 13 1 17 3 4 16 igniter x14 5 7 8 1...

  • Page 23

    23 installation and maintenance instructions ecotec 0020029172_03 1 6 0 0 dcf rf af fb x13 x11 fan 230v~ cylinder charging pump n l n l grey n l blue green x18 5 4 3 n l 9 8 7 + 2 1 - turqoise violet white red blue mains voltage low voltage edge connector x1 x41 x22 x6 pink n l boiler enable connect...

  • Page 24

    Installation and maintenance instructions ecotec 0020029172_03 24 6 start-up a caution! The boiler may only be permanently operated with its casing properly closed! Otherwise, under unfavourable conditions, it can result in material damage or even injury or death. H note! When starting up particular...

  • Page 25

    25 installation and maintenance instructions ecotec 0020029172_03 if the heating installation serves several floors, the values for the water pressure in the system may need to be higher (to avoid the ingress of air). • flush through the heating installation throroughly before actually filling it. 1...

  • Page 26

    Installation and maintenance instructions ecotec 0020029172_03 26 6.2.3 filling the condensate siphon 1 fig. 6.3 filling the condensate siphon d danger! If the boiler is operated with an empty condensate siphon, there is danger of poisoning through escaping flue gases. Therefore it is mandatory to f...

  • Page 27

    27 installation and maintenance instructions ecotec 0020029172_03 • for checking the system for recirculation use the air measure point (2). • use the flue gas analyser. • if you detect any co or co2 in the fresh air, search for the flue gas leakage or recirculation. • correct the defects. • check a...

  • Page 28

    Installation and maintenance instructions ecotec 0020029172_03 28 • if the supply pressure is out of tolerance contact your emergency service provider. If the gas inlet working pressure at the reference test point (1) is not within the permissible range and you cannot correct the failure, notify the...

  • Page 29

    29 installation and maintenance instructions ecotec 0020029172_03 fig. 6.7 display during heating mode 6.4.2 cylinder charging • switch on the boiler and the connected hot water cylinder. • make sure that the cylinder thermostat is requesting heat. • push the "i" button. If the cylinder is correctly...

  • Page 30

    Installation and maintenance instructions ecotec 0020029172_03 30 7 adapting the boiler to the heating installation the ecotec boilers are equipped with a digital information and analysis system (dia system). 7.1 selection and setting of parameters in the diagnosis mode, you can change various param...

  • Page 31

    31 installation and maintenance instructions ecotec 0020029172_03 display meaning adjustable parameters factory setting boiler-specific setting d. 0 heating partial load 12.5 - 45 kw 35 kw d. 1 overrun time of internal pump for heat- ing mode 2 - 60 min 5 mins d. 2 maximum burner anti-cycling time h...

  • Page 32

    Installation and maintenance instructions ecotec 0020029172_03 32 7.2.1 setting the heating partial load the output of the boilers is set at 35 kw in the factory. You can specify a value that corresponds to the kw output of the boiler under diagnosis point "d. 0“. 7.2.2 setting of pump overrun and p...

  • Page 33

    33 installation and maintenance instructions ecotec 0020029172_03 t flow (target) [°c] set maximum burner anti-cycling time [min] 1 5 10 15 20 25 30 35 40 45 50 55 60 20 2.0 5,0 10,0 15,0 20,0 25,0 30,0 35,0 40,0 45,0 50,0 55,0 60,0 25 2.0 4,5 9,2 14,0 18,5 23,0 27,5 32,0 36,5 41,0 45,0 50,0 54,5 30...

  • Page 34

    Installation and maintenance instructions ecotec 0020029172_03 34 8 inspection and maintenance 8.1 inspection and maintenance intervals danger! Risk of injury and risk of damage to property due to neglected inspection and maintenance! Neglected inspection and maintenance works or not observing the s...

  • Page 35

    35 installation and maintenance instructions ecotec 0020029172_03 - the gas inlet working pressure at maximum rate as described in section 6.3.3. - the gas flow rates as described in section 6.3.2. - correctness of electrical, water and gas connections. - correctness of the water pressure. - the con...

  • Page 36

    Installation and maintenance instructions ecotec 0020029172_03 36 • remove the front casing. • start the testing program p.1. • wait at least 5 minutes until the boiler reaches its operating temperature. • measure the co 2 concentration at the flue gas analysis point (1). Compare the measured value ...

  • Page 37

    37 installation and maintenance instructions ecotec 0020029172_03 . 8.1.5 inspection and maintenance work steps no. Activity column 1 inspection must be carried out each year column 2 maintenance must be carried out at regular intervals – but no longer than 5 years 1 check the air flue gas installat...

  • Page 38

    Installation and maintenance instructions ecotec 0020029172_03 38 8.2 filling/draining the boiler and heating installation 8.2.1 filling the boiler and the heating installation a description of how to fill the boiler and heating installation is provided in chapter 6.2. 8.2.2 draining of the boiler •...

  • Page 39

    39 installation and maintenance instructions ecotec 0020029172_03 a caution! Damage to gas supply! Under no circumstance may the compact thermal module dangle on the flexible corrugated gas pipe. 7 2 3 1 5 6 4 fig. 8.3 dismounting compact thermal module • remove the two plugs for the ignition (5) an...

  • Page 40

    Installation and maintenance instructions ecotec 0020029172_03 40 8.3.4 installing the compact thermal module • renew the seals (1) and (3) in the burner door (see fig. 8.5). H danger! Danger of combustion and damage due to escaping hot flue gases! Both seals (1) and (2) and the self-locking nuts on...

  • Page 41

    41 installation and maintenance instructions ecotec 0020029172_03 8.5 cleaning the condensate ducts 2 1 fig. 8.8 dismounting the condensate siphon • completely remove the condensate siphon to clean the condensate ducts by pulling out the clamp (1). This allows access to the condensate discharge nozz...

  • Page 42

    Installation and maintenance instructions ecotec 0020029172_03 42 • fill the expansion vessel with air at a pressure of less than 0.75 bar according to the static head of the heating installation. • if water is discharged at the testing nozzle of the expansion vessel the vessel must be replaced. 8.8...

  • Page 43

    43 installation and maintenance instructions ecotec 0020029172_03 display meaning heating mode s.0 heating no heat demand s.1 heating mode fan start-up s.2 heating mode pump pre-run s.3 heating mode ignition s.4 heating mode burner on s.5 heating mode pump/fan overrun s.6 heating mode fan overrun s....

  • Page 44

    Installation and maintenance instructions ecotec 0020029172_03 44 display meaning display value/adjustable value d.0 heating part load adjustable heating part load in kw (factory setting: approx. 70% of maximum output) d.1 pump overrun for heating mode 2 - 60 minutes (factory setting: 5) d.2 maximum...

  • Page 45

    45 installation and maintenance instructions ecotec 0020029172_03 display meaning display value/adjustable value d.14 pump speed target value target value of internal pump in % possible settings: 0 = auto (factory setting) 1 = 53% 2 = 60% 3 = 70% 4 = 85% 5 = 100% d.17 heating flow/return regulation ...

  • Page 46

    Installation and maintenance instructions ecotec 0020029172_03 46 display meaning display value/adjustable value d.81 operating hours hot water generation in h 1) d.82 burner start-ups in heating mode number/100 1) (3 equals 300) d.83 burner start-ups in hot water mode number/100 1) (3 equals 300) d...

  • Page 47

    47 installation and maintenance instructions ecotec 0020029172_03 code meaning cause f. 0 break flow ntc ntc plug not plugged in or has come loose, multiple plug on the pcb not plugged in correctly, interruption in cable harness, ntc defective f. 1 break return ntc ntc plug not plugged in or has com...

  • Page 48

    Installation and maintenance instructions ecotec 0020029172_03 48 code meaning cause f.74 failure water pressure sensor signal outside correct range (too high) line to water pressure sensor has short-circuited at 5v/24v or internal failure in water pressure sensor f.75 failure pump/water lack water ...

  • Page 49

    49 installation and maintenance instructions ecotec 0020029172_03 10 replacing components the tasks listed below in this section may be carried out only by a qualified heating engineer. • only use genuine spare parts for repairs. • make sure the parts are correctly fitted and that their original pos...

  • Page 50

    Installation and maintenance instructions ecotec 0020029172_03 50 1 2 3 4 fig. 10.2 dismantling the fan with gas valve • pull the plug (4) out of the gas valve. • pull the plugs (2) out of the fan. • unfasten the four screws (3) on the compact thermal module (1). • remove the complete unit "gas valv...

  • Page 51

    51 installation and maintenance instructions ecotec 0020029172_03 10.5 replacing pcb and display d danger! Before replacing the component, observe the safety information in chapter 10.1. E danger! Risk of fatal electric shock through contact with live connections! Disconnect the boiler from the powe...

  • Page 52

    Installation and maintenance instructions ecotec 0020029172_03 52 13 technical data ecotec vu gb 466/4-5 h unit heat output range (heating 50/30 °c) 12,9 - 46,4 kw heat output range (heating 80/60 °c) 12,3 - 44,1 kw maximum heat input (net) 45 kw net efficiency at 100% load 98,4 % net efficiency at ...

  • Page 54: Gas Boiler

    Controls to comply with the building regulations, each section must have a tick in one or other of the boxes time & temperature control to heating room t/stat & programmer/timer programmable roomstat time & temperature control to hot water cylinder t/stat & programmer/timer combi boiler d e r i u q ...

  • Page 55: Service Interval Record

    Service interval record it is recommended that your heating system is serviced regularly and that you complete the appropriate service interval record below. Service provider. Before completing the appropriate service interval record below, please ensure you have carried out the service as described...

  • Page 56

    0020029172_03 gb 062010 subject to alterations.